SUMMARY OF QUARTERLY DATA (UNAUDITED) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 28, 2020	Dec. 28, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 29, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 28, 2020	Mar. 30, 2019	Mar. 31, 2018
Quarterly Financial Data [Abstract]
Net revenues	$ 238,492	$ 258,970	$ 252,566	$ 238,451	$ 249,295	$ 247,356	$ 241,581	$ 229,347	$ 988,479	$ 967,579	$ 903,923
Gross profit	113,557	128,050	127,000	115,906	111,210	111,175	111,907	83,244	484,513	417,536	411,908
Operating (loss) income	26,007	40,907	49,739	(13,302)	23,856	28,320	26,076	5,293	103,351	83,545	56,157
Net (loss) income	$ 17,624	$ 29,895	$ 37,486	$ (8,479)	$ 20,835	$ 18,277	$ 18,726	$ (2,819)	$ 76,526	$ 55,019	$ 45,572
Per share data:
Basic income (loss) per share (in dollars per share)	$ 0.35	$ 0.59	$ 0.74	$ (0.17)	$ 0.41	$ 0.36	$ 0.36	$ (0.05)	$ 1.51	$ 1.07	$ 0.86
Diluted income (loss) per share (in dollars per share)	$ 0.34	$ 0.58	$ 0.72	$ (0.17)	$ 0.40	$ 0.35	$ 0.35	$ (0.05)	$ 1.48	$ 1.04	$ 0.85